8459665479 has 12 divisors (see below), whose sum is σ = 12287784600. Its totient is φ = 5608268784.

The previous prime is 8459665433. The next prime is 8459665531. The reversal of 8459665479 is 9745669548.

8459665479 is a `hidden beast` number, since 8 + 459 + 66 + 54 + 79 = 666.

It is not a de Polignac number, because 8459665479 - 2¹¹ = 8459663431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8459665979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2623984 + ... + 2627205.

It is an arithmetic number, because the mean of its divisors is an integer number (1023982050).

Almost surely, 2^8459665479 is an apocalyptic number.

8459665479 is a deficient number, since it is larger than the sum of its proper divisors (3828119121).

8459665479 is a wasteful number, since it uses less digits than its factorization.

8459665479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251374 (or 5251371 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The square root of 8459665479 is about 91976.4398038976. The cubic root of 8459665479 is about 2037.5943608124.

The spelling of 8459665479 in words is "eight billion, four hundred fifty-nine million, six hundred sixty-five thousand, four hundred seventy-nine".